lkml.org 
[lkml]   [2007]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch 46/69] [PATCH] x86_64 : Fix vgettimeofday()
-stable review patch.  If anyone has any objections, please let us know.
---------------------
From: Eric Dumazet <dada1@cosmosbay.com>

vgettimeofday() may return some bad timeval values, (tv_usec = 1000000), because of a wrong compare.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---
arch/x86_64/kernel/vsyscall.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.21.1.orig/arch/x86_64/kernel/vsyscall.c
+++ linux-2.6.21.1/arch/x86_64/kernel/vsyscall.c
@@ -132,7 +132,7 @@ static __always_inline void do_vgettimeo

/* convert to usecs and add to timespec: */
tv->tv_usec += nsec_delta / NSEC_PER_USEC;
- while (tv->tv_usec > USEC_PER_SEC) {
+ while (tv->tv_usec >= USEC_PER_SEC) {
tv->tv_sec += 1;
tv->tv_usec -= USEC_PER_SEC;
}
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-21 21:59    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site